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L-Methionine

Catalog No. 64319 Name Sigma Aldrich
CAS Number 63-68-3 Website http://www.sigmaaldrich.com
M. F. C5H11NO2S Telephone 1-800-521-8956
M. W. 149.21134 Fax
Purity ≥99.5% (NT) Email
Storage Chembase ID: 20

SYNONYMS

Title
L-甲硫氨酸
IUPAC name
(2S)-2-amino-4-(methylsulfanyl)butanoic acid
IUPAC Traditional name
L-methionine
Synonyms
(S)-2-氨基-4-(甲硫基)丁酸
L-2-氨基-4-(甲硫基)丁酸
(S)-2-Amino-4-(methylmercapto)butyric acid
L-2-Amino-4-(methylthio)butanoic acid

DATABASE IDS

Beilstein Number 1722294
EC Number 200-562-9
PubChem SID 24883259
MDL Number MFCD00063097
CAS Number 63-68-3

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces NH4+: ≤100 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Ignition Residue ≤0.1%
Impurities insoluble matter, passes filter test
Impurities ≤0.5% foreign amino acids
λ 0.5 M in 1 M HCl
Linear Formula CH3SCH2CH2CH(NH2)CO2H
Loss on Drying ≤0.1% loss on drying, 20 °C (HV)
Product Line BioUltra
Purity ≥99.5% (NT)
Gene Information rat ... Ggt1(116568)
Absorption Wavelength λ: 260 nm Amax: 0.40
Absorption Wavelength λ: 280 nm Amax: 0.05
Melting Point 284 °C (dec.)(lit.)
Optical Rotation [α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Solubility 1 M HCl: soluble0.5 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS PD0457000
German water hazard class 1

DETAILS

Description (English)
Other Notes
Synthesis of labels for protonation studies by Fourier Transform Infrared Methods for L-glutaric-513C acid1; Spacer in isotachophoresis of serum proteins2; Essential in culture media for some malignant human cell lines3,4; Growth requirement of various microorganisms5
Description (简体中文)
Other Notes
Synthesis of labels for protonation studies by Fourier Transform Infrared Methods for L-glutaric-513C acid1; Spacer in isotachophoresis of serum proteins2; Essential in culture media for some malignant human cell lines3,4; Growth requirement of various microorganisms5

REFERENCES